/* ============================================
   SRISAMARN PET CENTER — Organic/Natural Design
   Palette: Brown / Cream / Gold
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Colors — Brown primary, Gold accent, Green accent */
  --color-background: #FDF8F0;
  --color-foreground: #3D2E24;
  --color-primary: #8C6D53;
  --color-primary-fg: #FFFFFF;
  --color-secondary: #C9A96E;
  --color-secondary-fg: #FFFFFF;
  --color-accent: #5D7052;
  --color-accent-fg: #FFFFFF;
  --color-muted: #F5EDE3;
  --color-muted-fg: #8B7A6A;
  --color-border: #E0D5C7;
  --color-destructive: #A85448;

  /* Derived — flat, no gradient */
  --color-surface: #FEFEFA;
  --color-shadow-primary: rgba(140, 109, 83, 0.15);
  --color-shadow-secondary: rgba(201, 169, 110, 0.2);
  --color-shadow-hover: rgba(140, 109, 83, 0.25);

  /* Remove unused variable */
  --color-primary-dark: var(--color-primary);

  /* Typography */
  --font-heading: 'Fraunces', Georgia, serif;
  --font-body: 'Nunito', system-ui, sans-serif;

  /* Radius */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-soft: 0 4px 20px -2px var(--color-shadow-primary);
  --shadow-float: 0 10px 40px -10px var(--color-shadow-secondary);
  --shadow-card: 0 2px 12px -2px var(--color-shadow-primary);

  /* Spacing */
  --section-py: clamp(4rem, 8vw, 8rem);
  --container-max: 72rem;
  --container-narrow: 56rem;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-foreground);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Noise overlay — grain texture */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 2rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2.5rem;
  }
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  max-width: var(--container-narrow);
  margin: 0 auto clamp(3rem, 5vw, 4rem);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-muted-fg);
  font-weight: 400;
  max-width: 40rem;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 300ms ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-fg);
  box-shadow: 0 4px 20px -2px var(--color-shadow-primary);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px -4px var(--color-shadow-hover);
}

.btn-primary:active {
  transform: scale(0.95);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.btn-outline:hover {
  background-color: var(--color-secondary);
  color: var(--color-secondary-fg);
  transform: scale(1.05);
}

.btn-outline:active {
  transform: scale(0.95);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  height: auto;
  min-height: 3.5rem;
}

.btn svg {
  flex-shrink: 0;
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 248, 240, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .nav-inner {
    padding: 0.75rem 2rem;
  }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  border: none;
}

.nav-logo-img {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 50%;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

.nav-links {
  display: none;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-foreground);
  transition: all 300ms ease;
}

.nav-link:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-fg);
}

/* Hamburger */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 768px) {
  .nav-hamburger {
    display: none;
  }
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all 300ms ease;
}

/* Mobile menu */
.nav-mobile {
  padding: 0.75rem 1.5rem 1rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-muted);
}

.nav-mobile-link {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  color: var(--color-foreground);
  transition: background 300ms ease;
}

.nav-mobile-link:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-fg);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: var(--section-py) 1.5rem 0;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

/* Gradient Background */
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #FDF8F0 0%, var(--color-muted) 50%, var(--color-secondary) 100%);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

/* Floating Doodles — some green, some gold */
.hero-doodles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.doodle {
  position: absolute;
  opacity: 0.25;
  width: 32px;
  height: 32px;
}

/* Alternate gold and green doodles — green only as small accent */
.doodle-1 { left: 5%; top: 15%; color: var(--color-secondary); animation: float-doodle 6s ease-in-out infinite; }
.doodle-2 { left: 90%; top: 20%; color: var(--color-secondary); animation: float-doodle 6s ease-in-out infinite 1.2s; }
.doodle-3 { left: 8%; top: 75%; color: var(--color-accent); animation: float-doodle 6s ease-in-out infinite 2.4s; }
.doodle-4 { left: 88%; top: 70%; color: var(--color-secondary); animation: float-doodle 6s ease-in-out infinite 3.6s; }
.doodle-5 { left: 92%; top: 45%; color: var(--color-accent); animation: float-doodle 6s ease-in-out infinite 4.8s; }

@media (min-width: 1024px) {
  .doodle-1 { left: 3%; }
  .doodle-2 { left: 95%; }
  .doodle-3 { left: 5%; }
  .doodle-4 { left: 93%; }
  .doodle-5 { left: 96%; }
}

@keyframes float-doodle {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(5deg); }
}

/* Wave at bottom */
.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  width: 100%;
  line-height: 0;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: 50px;
}

@media (min-width: 768px) {
  .hero-wave svg {
    height: 70px;
  }
}

@media (min-width: 1024px) {
  .hero-wave svg {
    height: 90px;
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  display: grid;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

@media (min-width: 768px) {
  .hero-inner {
    padding: 0 2rem 3rem;
  }
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--color-primary);
  color: var(--color-primary-fg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-title {
  margin-bottom: 1rem;
}

.hero-title-en {
  display: block;
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.hero-title-th {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-foreground);
  font-weight: 600;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-muted-fg);
  max-width: 32rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-actions .btn {
  padding: 0.75rem 1.5rem;
  min-height: 3rem;
}

.hero-image {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.hero-image-frame {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 4px solid var(--color-border);
  box-shadow: var(--shadow-float);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 700ms ease;
}

.hero-image-frame:hover {
  transform: scale(1.03);
}

@media (min-width: 768px) {
  .hero-image-frame {
    width: 340px;
    height: 340px;
  }
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* --- Services Section --- */
.services {
  padding: var(--section-py) 0;
  background: var(--color-muted);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.services-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: all 300ms ease;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px var(--color-shadow-hover);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: all 300ms ease;
}

.service-icon svg {
  color: var(--color-primary-fg);
  width: 28px;
  height: 28px;
}

.service-card:hover .service-icon {
  background-color: var(--color-secondary);
}

.service-card h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--color-muted-fg);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- Why Choose Us Section --- */
.why-us {
  padding: var(--section-py) 0;
  background: var(--color-background);
}

.why-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.why-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.why-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.why-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.why-card p {
  color: var(--color-muted-fg);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Testimonials Section --- */
.testimonials {
  padding: var(--section-py) 0;
  background: var(--color-muted);
  position: relative;
}

.testimonials::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.testimonials-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: all 300ms ease;
}

.testimonial-card:hover {
  transform: translateY(-4px) rotate(0.5deg);
  box-shadow: 0 20px 40px -10px var(--color-shadow-hover);
}

.testimonial-stars {
  color: var(--color-secondary);
  font-size: 1.25rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.testimonial-text {
  color: var(--color-foreground);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  font-size: 2.5rem;
  width: 56px;
  height: 56px;
  background: var(--color-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 700;
  color: var(--color-primary);
}

.testimonial-pet {
  font-size: 0.85rem;
  color: var(--color-muted-fg);
}

/* --- Contact Section --- */
.contact {
  padding: var(--section-py) 0;
  background: var(--color-background);
}

.contact-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  color: var(--color-primary-fg);
  width: 24px;
  height: 24px;
}

.contact-item h3 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: var(--color-muted-fg);
  font-size: 0.95rem;
  line-height: 1.5;
}

.contact-item a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-item a:hover {
  text-decoration: underline;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-map {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  min-height: 300px;
  background: var(--color-muted);
}

@media (min-width: 1024px) {
  .contact-map {
    min-height: 400px;
  }
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 300px;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-primary);
  color: var(--color-primary-fg);
  padding: 3rem 0;
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px;
}

.footer-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-fg);
}

.footer-name-th {
  font-size: 0.9rem;
  color: var(--color-primary-fg);
  opacity: 0.9;
}

.footer-text {
  font-size: 1rem;
  color: var(--color-primary-fg);
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-primary-fg);
  opacity: 0.7;
}

/* --- Utility --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}